1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
11 OpenFOAM is free software: you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by
13 the Free Software Foundation, either version 3 of the License, or
14 (at your option) any later version.
16 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
24 \*---------------------------------------------------------------------------*/
26 #ifndef PstreamReduceOps_H
27 #define PstreamReduceOps_H
32 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
37 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
39 // Reduce operation with user specified communication schedule
40 template <class T, class BinaryOp>
43 const List<UPstream::commsStruct>& comms,
48 Pstream::gather(comms, Value, bop);
49 Pstream::scatter(comms, Value);
53 // Reduce using either linear or tree communication schedule
54 template <class T, class BinaryOp>
61 if (UPstream::nProcs() < UPstream::nProcsSimpleSum)
63 reduce(UPstream::linearCommunication(), Value, bop);
67 reduce(UPstream::treeCommunication(), Value, bop);
72 // Reduce using either linear or tree communication schedule
73 template <class T, class BinaryOp>
82 if (UPstream::nProcs() < UPstream::nProcsSimpleSum)
84 reduce(UPstream::linearCommunication(), WorkValue, bop);
88 reduce(UPstream::treeCommunication(), WorkValue, bop);
95 // Insist there is a specialisation for the reduction of a scalar
96 void reduce(scalar& Value, const sumOp<scalar>& bop);
99 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
101 } // End namespace Foam
103 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
107 // ************************************************************************* //